Recently, my 2011 MacBook Pro 13' produces strange instantaneous jumps in battery percentage. Sometimes, when it is discharging, it drops by ~40% (and if it was near or at less then 40%, it shuts down ...

I have a used little MacBook Pro 13 inch Late 2008 5,1 and I was told it needed a battery. It charges, then it doesn't, and it shuts off at the most random times, so the thought occurred to me to take ...

I have a MacBook Pro 15", early 2011. Earlier this week, I brought it home and plugged it in, and there was an X through the battery. Did an SMC reset, and it started charging again. The next day it ...

My friend wants to buy new refurbished MacBoook Pro 13" mid 2014 MGX72 in Malaysia. He's afraid of defects. So he needs advice on how to check whether it has problem or not. If it has, he must report ...

Weird behavior of MBP and external HP screen.
When MBP is on battery - everything works perfect. But when power supply is connected to MBP - external HP screen is going black. "Monitor going to sleep" ...

I have a Macbook Pro mid-2010 (Macbook 7,1) that is acting a bit weird. The battery status always says I'm connected to a power source even when the charger is unplugged. The battery still discharges, ...

Is there an app or existing command to report the battery time since the laptop was last unplugged from AC but exlude the time spend during sleep on battery?
This can be inferred from pmset -g log so ...

My battery has expanded and has to be replaced, but I am currently writing my thesis and intend to only keep using my MBP for a few more weeks before I buy a new one. I have heard that it is dangerous ...

About a couple of weeks ago, I tried turning on my Macbook Pro and it seemed completely dead. I plugged in the power cable but it still didn't work. Since it's not under warranty anymore, I opened up ...

I charged my MacBook Air (Late 2010) up to 100% charge overnight however my battery died within 1 hour. Because of this I want to use the Apple Hardware Tool (AHT) to diagnose the issue.
My Mac is 4 ...

My iPhone is simply not charging unless I switch it off while it is already plugged in. I suspect it to be a software problem, as when its off it charges. Windows does not seem to recognize the device ...

I updated my iphone 4s operating system to 8.1.3 , now the battery drains from a complete charge in about 5 to 6 hours on stand-by. I replaced the battery with a battery
I purchase online. I thought ...

This has been happening for around 6 months and it has gotten worse. I thought it was the battery because it had close to 1500 cycles. But I recently replaced it and now the problem seems worse. The ...

My Macbook Pro (Mid 2012, OSX 10.10.2) sometimes gives the Low Battery warning, then immediately after dismissing the notification the battery pops back up to about 25% battery, still showing a red ...

I bought a refurbished 13" Macbook Pro (late 2013 model retina) from the Apple store website in Sept 2014. It worked great till last month, when I had some water leak out in backpack and get through ...

I recently bought a new iPhone 6, because my iPhone 5 had some weird battery issues: when I was on 3G or 4G, the battery would literally go down from 50% to 10% in like 10 minutes. On the Wi-Fi, it ...

My mental model of a charger is that you plug it in and electricity fires out of it like a hose whether you like it or not. When I plug in my macbook charger, it often takes a few seconds before the ...

Long story short, my oldie MBP 2011' battery started bloating, I've contacted a repair service center and they advised me to remove the battery and use it on AC power, while they get a new battery for ...

I have an iPod Touch. If I plug it into the AC outlet, with a AC/USB power adapter, the iPod will charge to about 20%, and then stop charging. However, if I plug it into a computer USB outlet (using ...

Yesterday everything was fine with the battery in my MacBook Air 13'' 2012 (2 years old). It was lasting for 4-5 hours like new. Today, all of a sudden, the battery has stopped charging at all (I have ...

Last night my iPhone 4s suddenly crashed and I thought it was because out of battery, even though it was still at 17%. I plugged it in and left it for about 10 mins and it turned back on but it was ...

Today, I went to a river and forgot that my iPod was in my pocket. I was in there for about half an hour, and only noticed it once I was changing into my other clothes. Is there anything I can do to ...

A few days ago I was charging my phone in my car and it stopped charging, and I noticed that the cord had a little hole and smoke was coming out of there. I was buying some food from a local shop, and ...

I use my MacBook Pro on battery as much as possible, recharging when needed and once a month running it down to recalibrate etc.
However, when the battery is charged to 100% I unplug the charger from ...

I am using a 13-inch mid 2014 MacBook Pro with Retina Display.
It is about 3 weeks old and already has clocked 13 charge cycles. Is this too high ?
Also, I follow the practice of fully charging it and ...

I have a 2012 13" Macbook Air running 10.9.5. I seem to be losing battery life as of late. This, itself, isn't a huge deal, as I usually use the laptop near an outlet, but as of late the more annoying ...

I have an iPhone 5 with an unlimited data plan. I usually have it at home where I only have a mediocre cell signal. I don't want to put it in airplane mode just in case I get a call or text so would ...